3 years ago

Solve the simultaneous equation 4x-y=9 2x-3y= -23

Mathematics

1 answer:

MrMuchimi3 years ago

4 0

Answer:

x = 5

y = 11

Step-by-step explanation:

y = 4x - 9

2x -3(4x - 9) = -23

2x - 12x + 27 = -23

-10x = -23 -27

-10x = -50

minus cancels out

x = 5

y = 4(5) -9

y = 20 - 9

y = 11

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